Introduction Comet Executive Gas
1-4
WARNING
Know the proper
procedure for locking out
and tagging equipment
during repair procedures.
Follow the rules of your work
site. Failure to do so could
result in serious injury.
Make sure the power is
disconnected before
servicing the unit.
Do not repair or correct any
condition without reading
and understanding the
REPAIR chapter.
Only qualied personnel
should troubleshoot and
repair this unit.
Safety Features
There are six categories of safety features:
• Main Disconnect Switch
• Safety Stop Buttons
• Safety Guards
• Safety Interlock Switches
• Safety Labels
• Safety Messages in this Manual
Main Disconnect Switch
The main disconnect switch is located on the
outside of right endframe door. When turned to
“O” (horizontal position), the main disconnect
switch shuts o the incoming electrical power
to the unit.
Unless otherwise indicated, turn the main
disconnect switch to o before performing any
maintenance or repair work.
Safety Stop Buttons
The preferred method of stopping the operation
of the unit is by pressing any of the four red safety
STOP buttons located at each corner of the unit.
Pressing any of these buttons immediately
stops the heating system and all rotating parts.
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